baber/WOPTO huggingface dataset:
Patent JP-H1053611-A (JP)
Title: Catalyst for polymerizing olefin
Inventor: IGAI SHIGERU
IPC: C08F4/642
Filed: 1996-08-09
Abstract: PROBLEM TO BE SOLVED: To obtain the subject catalyst high in polymerization activity and capable of giving a polymer excellent in copolymerizability, etc., on the polymerization of an olefin by combining a compound having a specific structure and containing a transition metal belonging to the group IV in the periodic table with an aluminoxane, etc. SOLUTION: This catalyst for polymerizing an olefin is obtained from (A) a compound containing a transition metal belonging to the group IV in the periodic table and represented by formulae I to IV (M is the transition metal belonging to the group IV; X is H, a halogen, a 1-12C hydrocarbon group, a 1-12C hydrocarbon amide group, etc.; Y is H, a 1-20C hydrocarbon substituent, etc.; R is H, a 1-12C hydrocarbon group; R' is a 2-12C hydrocarbon group) and (B) an aluminoxane or an ionic compound capable of reacting with the component A to produce a cationic transition metal compound. The ionic compound includes the ionic compound of tetrakis(pentafluorophenyl)borate anion with an active proton-bearing amine cation. Thereby, an olefinic (co)polymer narrow in mol.wt. distribution and excellent in mechanical physical properties can be obtained.
Patent JP-H1149049-A (JP)
Title: Elastic pad for metal-made crawler and metal-made crawler
Inventor: SAKAI KENICHI
IPC: B62D55/28
Filed: 1997-08-05
Abstract: PROBLEM TO BE SOLVED: To make quickly easily mounting possible of an elastic pad relating to an outer surface of a crawler plate of a metal-made crawler. SOLUTION: In an elastic pad 1, in one end part of a core material 6, a hook part 9 able to engage with one end part of a crawler plate 3 is provided, also in the other end, a protruding piece 8 bent to a side of the crawler plate 3 is provided. In this protruding piece 8, a cross through hole is formed, through this cross through hole, a bolt 13 and a nut 14 can be screwed to be connected. Here, the nut 14 is formed so that its peripheral one face is brought into surface contact with an inner surface of the crawler plate 3. Accordingly, the crawler plate 3 is interposed by the nut 14 and the core material 6, in this way, the elastic pad 1 can be mounted relating to the crawler plate 3.
Patent JP-H0872944-A (JP)
Title: Airtight container
Inventor: KOGA TERUTAKA
IPC: B65D81/38
Filed: 1994-09-05
Abstract: PURPOSE: To improve an airtightness against an uncovering force by a method wherein a main fastening part is formed on a joint side face where a fitting protuberance of a container body and a fitting recess of a cover body fit to each other while keeping a container airtight, and an auxiliary fastening part is provided on the other vertical joint side face. CONSTITUTION: A fitting protuberance 4 provided on an upper end face of a side wall 3 of a container body 1 is joined to a fitting recess 8 provided on a lower surface of a cover body 2 by engaging a projected part 5 formed on the outer peripheral surface of the fitting protuberance 4 as a main fastening part to a recessed part 19 formed in the fitting recess 8. On the other hand, on the inner peripheral surface, the fastening protuberance 4 and the fastening recess 8 are firmly fitted to each other by engaging a fastening projected part 10 formed in the fitting recess 8 to a fastening recessed part 6 formed on a vertical surface of the fitting protuberance 4 as an auxiliary fastening part.  In this fitting structure, a vertical uncovering force Fs is large in comparison with a simple vertical fitting structure or a single-side fitting structure, and the cover body 2 is prevented from slipping off upward even when the outside of the cover body 2 is lifted. In addition, an oblique uncovering force F2 is also large, and an airtightness can be enhanced.
Patent JP-S6271682-A (JP)
Title: Led array head cooling device of led printer
Inventor: KAWAHARA SATOSHI
IPC: B41J29/377
Filed: 1985-09-26
Abstract: PURPOSE:To prevent the generation of a irregularity in image density due to temperature unevenness in such a way as to cool uniformly a LED array in the longitudinal direction by installing a cooling means of a heat pipe on a LED array head through a multiple divided heat conductor member. CONSTITUTION:The cooling means 10a of a heat pipe 10 has a higher cooling capacity in the center that at both sides where the capacity is low. In view of this fact, a heat conductor member 11 is divided into a central member 11a having a small contact area with a LED array head 2 and side members 11b which are located on both sides of the central member 11a and each has a large contact area with the LED array head 2. In addition, between the members 11a and 11b, a space 13 to prevent the movement of heat between the members 11a and 11b is provided. At the same time, the LED array head 2 is allowed to be uniformly cooled in a longitudinal direction by the cooling means of the heat pipe 10 through the central member 11a and side members 11b.
Patent JP-H0259317-A (JP)
Title: Molding method for peek resin pipe with favorable inside smoothness
Inventor: NISHITANI HIROSHI
IPC: B29C48/09
Filed: 1988-08-24
Abstract: PURPOSE:To manufacture efficiently a product whose inside smoothness is favorable, by a method wherein PEEK resin particles whose water content is specific are used and ratios obtained by dividing an outlet sectional area and a length of a land part of a die with gap dimensions between the inside and outside diameters are specified. CONSTITUTION:At the time of extrusion molding of PEEK resin pipe 3 through a die 2 of an extrusion molding machine 1, PEEK resin particles are dried down to water content of 0.1% or lower beforehand in, for example, an air circulation type drying path. Although moldability of PEEK resin is improved by receiving the same excessively by increasing proportionally a die outlet section than a product section of the PEEK resin pipe since the PEEK resin is of low viscosity at the time of extrusion, it is preferable that the die outlet sectional area does not exceed 60% of a bore sectional area of an extrusion molding machine. Then a ratio obtained dy dividing a length of a land part in a die with gap dimensions between the outside and inside diameters of the same die is set up at 20-100, preferably 40-70. In addition, since it is rather preferable that an inside core 4 projects from the surface of a outlet, it is favorable that the inside of the die is made into a design where a retension part of the resin is little and the same is plated.
Patent JP-H0259267-A (JP)
Title: Jet injection device for high pressure water
Inventor: HOSHINO KENZO
IPC: B24C7/00
Filed: 1988-08-25
Abstract: PURPOSE:To prevent abrasives being clogged in a discharging nozzle by cutting off a high pressure water jet nozzle and abrasives feeding passage at cutting completion time. CONSTITUTION:On completion of cutting, the space between an abrasive mixed fluid feeding pipe 7 and discharging nozzle 3 is cut off by moving a shutter 8 down by a nut 10, and after discharging the fluid 24 inside the shutter 8 form the nozzle 3 by a high pressure water jet 25, the feeding of the high pressure water and abrasives mixed fluid 24 is stopped. While the fluid 24 inside the shutter 8 is discharged, the fluid 24 is fed into the mixing chamber 2 of the shutter outside but the filled up fluid 24 is discharged from a hole 22. In the case of performing cutting, then, the shutter 8 is closed and the high pressure water is injected from the nozzle 3. The shutter 8 is then opened and by feeding the abrasives mixing fluid 24 into a mixing chamber 2 the abrasive jet is injected from the nozzle 3.
Patent JP-2000046973-A (JP)
Title: Time indication device
Inventor: HOSHINO MANABU
IPC: G04G9/00
Filed: 1998-07-27
Abstract: PROBLEM TO BE SOLVED: To obtain an indication device capable of making an indication part have visually active amusement in the time indication part, and recognizing elapsing of seconds. SOLUTION: A character indication part 18 is provided on a time indication part. An indication drive circuit switches to turn on vane parts 18a, 18c and 18b, 18d of this character indication part 18, and changes the turn on period corresponding to the second figure of time signal of a time count circuit. The indication drive circuit in timer mode is to switch the turn-on corresponding to the remaining time and to change the turn on period.
Patent JP-S6273453-A (JP)
Title: Head supporting device for double-sided flexible disc device
Inventor: KUMAKURA TAKESHI
IPC: G11B17/32
Filed: 1985-09-26
Abstract: PURPOSE:To ensure the recording and reproduction of information by implanting a pin to any one rear face of the 2nd head slider so that the degree of freedom of radial shaking of the head slider to a flexible disc is regulated thereby eliminating the bias of the head slider from the orbit center of a magnetic recording part. CONSTITUTION:The pin 14 is erected on the rear face of, e.g., the 1st head slider 3 and a slit 15 through which the pin 14 is slid is formed on a carriage 1. In recording/reproducing the information, two head sliders 3, 7 follow up freely the waving of the flexible disc 2. Since the pin 14 is provided to the 1st head slider 14 so that the flexible disc 2 is not shaken in the radial direction with respect to the slit 15 of the carriage 1, the magnetic recording section 12 is not biased from the orbit center of the disc 2 and a stable output voltage is obtained.
Patent JP-S60149392-A (JP)
Title: Cell line and fermentation method
Inventor: KEISU SHII BATSUKUMAN
IPC: C12P1/00
Filed: 1984-10-08
Abstract: Cells which are: 1) capable of converting a raw material to a product compound not produced in the glycolytic pathway via a first bioconversion pathway which does not produce a tricarboxylic acid cycle (TAC) intermediate; 2) capable of producing a net increase in a TAC intermediate from a first carbon source via a second bioconversion pathway inhibitable by an inhibiting compound produced in the glycolytic pathway; and 3) incapable of producing a net increase in a TAC intermediate other than via the second bioconversion pathway. The cells are used in a method to produce the product compound.
Patent JP-H0497951-A (JP)
Title: Reaction-coupling silicon carbide composite body having low young's modulus
Inventor: KANI AKIRA
IPC: C04B35/56
Filed: 1990-08-09
Abstract: PURPOSE:To obtain a reaction-coupled silicon carbide composite material having low Young's modulus so that, when this composite material is used as a sliding member and foreign matter intrudes to the sliding surface, this composite material prevents damages of the other sliding member, by dispersing TiN in a SiC-Si matrix composite body. CONSTITUTION:TiN is dispersed in the SiC-Si matrix composite body. It is preferable that TiN is incorporated by 5-40vol.% to the SiC-Si matrix composite body except for Si.
Patent JP-S59101445-A (JP)
Title: 2,3-diaminopropionic acid derivative and its preparation
Inventor: OONO MASAJI
IPC: C07C227/04
Filed: 1982-12-03
Abstract: PURPOSE:To obtain the titled compound useful for preparing a 3-amino-2-azetidinone derivative, an important intermediate for synthesizing monobactams by easy operations, by subjecting an N-protecting threonine lower alkyl ester to azide formation under specific conditions, followed by reducing the reaction product. CONSTITUTION:A compound shown by the formula I (R<1> is lower alkyl; R<2> is amino-protecting group; R<3> is H, or methyl) is reacted with 1.5-2.5mol hydrogen azide based on 1mol compound shown by the formula II in an inert solvent preferably at -20 deg.C- room temperature in the presence of triphenylphosphine and an azodicarboxylic acid dialkyl ester, to give a novel azide compound shown by the formula II without recemizing it at the 2-position. This compound is then reduced to give the desired compound shown by the formula III. The compound shown by the formula III wherein R<3> is methyl is a novel compound. The desired optical active compound can be obtained by using an optical active compound as a starting raw material.
Patent JP-H1134034-A (JP)
Title: Hopper cover device for concrete mixer truck
Inventor: YAMADA AKISHI
IPC: B28C5/42
Filed: 1997-07-22
Abstract: PROBLEM TO BE SOLVED: To provide a hopper cover device for a concrete mixer truck with the capability of positively preventing rain water from coming in the main body of a concrete mixer and performing the work of setting and taking it off easily. SOLUTION: The hopper cover device for a concrete mixer truck includes a first locking rod 2 projectingly set on the peripheral frame part of a hopper 10, a cover frame 4 with a cover sheet 5 set up pivoted on the support table 3, a second locking rod 11 projectingly set on the support table 3, a receiving metal rod 8 projectingly set on the cover frame 4 to have the hook part 7a of a retainer rod 7 connected thereto, a locking plate 6 mounted on the cover frame 4 by an intersecting spindle 15, a first recessed part 6a to connect the first locking rod 2 during the cover closing period and a second recessed part 6b to connect the second locking rod 11 during the cover opening period each being installed on both the side surface parts of the locking plate 6, and a retainer rod 7 adjoining a guide plate 17 being pivoted to the locking plate 6,  thus pulling up the locking plate 6 toward the receiving rod 8 by a coil spring 18 compressed between the spring retainer 7b of the guide plate 17 and the spring retainer part 7b of the retainer rod 7.
Patent JP-H1141408-A (JP)
Title: Image forming device
Inventor: FUKUMURA ATSUSHI
IPC: B65H29/60
Filed: 1997-07-22
Abstract: PROBLEM TO BE SOLVED: To simplify the configuration of a paper conveying route by arranging two paper conveying routes through a paper switching means for a paper feeding path from one paper tray, arranging a recording part on one paper conveying route and arranging a reading part on the other paper conveying route. SOLUTION: A lot of paper sheets are set in a paper tray 3 so as to be fed through a paper distributor. Concerning a paper cutter, a paper feeding roller 5 and a separating pad 6 are arranged while facing each other and paper is supplied towards a paper conveying route 7 one by one while applying cutting operation to paper between both the members. A switching gate 10 is arranged on the paper conveying route 7 continuously to a conveyer roller device 8 and at its downstream part, a route for guiding an original toward a reading part 15 and a route 7a for guiding paper to a recording part 20 are arranged. Thus, the mechanism of a paper feeding device or conveyer roller device can be simplified and can be constituted compact.
Patent JP-S6270785-A (JP)
Title: X-ray detector for x-ray ct
Inventor: YASUHARA KOICHIRO
IPC: G01T1/185
Filed: 1985-09-24
Abstract: PURPOSE:To prevent the incidence of the greater part of scattered X-rays from an object to an X-ray detection element, by arranging thin lead plates at a pitch narrower than the opening width of one element of an X-ray detector so that an X-ray transmitting direction coincides with an X-ray focus direction. CONSTITUTION:X-ray blocking thin plates are arranged at a pitch narrower than the opening width of an X-ray detector 3 so that an X-ray transmitting direction coincides with an X-ray focus direction. That is, an X-ray tube 2 is mounted to a rotary plate 1 and the detector 3 is mounted thereto so as to be opposed to said X-ray tube 2. Further, a grid 4 is fixed to the X-ray incident part of the detector 3. X-rays emitted from the X-ray tube 2 transmits through a specimen 5 to be incident to the detector 3 and converted to the electric signal corresponding to the intensity of X-rays. Further, in order to obtain an X-ray CT image, the rotary plate 1 rotates around the specimen 5 and X-ray transmitting data from all directions are measured. By this method, the greater part of scattered X-rays from the object are prevented from being incident to the X-ray detection element.
Patent JP-S6368528-A (JP)
Title: Percutaneous absorption preparation
Inventor: SATO TOYOMI
IPC: A61K47/26
Filed: 1986-09-10
Abstract: PURPOSE:The titled preparation useful as a sustained release preparation, raising drug releasability, containing a drug compound having percutaneous absorption, blended with a fatty acid ester, etc., as an active ingredient and a silicone elastomer as a maintaining carrier for the active ingredient. CONSTITUTION:A percutaneous absorption preparation containing a drug compound having percutaneous absorption so an active ingredient and a silicone elastomer as a maintaining carrier for the active ingredient. The drug compound is blended with a fatty acid ester or a sugaralcohol or both to raise drug releasability. Penicillin, aspirin, diazepam, vitamin, etc., maybe cited as the drug compound. Propylene glycol caprate, etc., may be used as the fatty acid ester. Since the preparation has high drug releasability and a necessary and sufficient amount of the drug is absorbed through the skin, application is easy and side effects can be suppressed.
Patent JP-H0764597-A (JP)
Title: Compressing and extending device for voice
Inventor: TANAKA KOJI
IPC: G10L13/02
Filed: 1993-08-26
Abstract: PURPOSE:To prevent the deterioration of a voice quality, and to improve operability by detecting the voice uttering speed of a speaker by detecting the number of syllables in a breath paragraph being a lamp of voice interval generated according to the break of the breath of an input signal, and adjusting a compression and extension ratio according to the voice uttering speed. CONSTITUTION:This device is constituted of a recording means 1 which records a voice signal inputted at the time of recording, voice uttering speed detecting means 2 which detects the voice uttering speed based on the voice signal output from the recording means 1 at the time of reproduction, compression and extension ratio adjusting means 3 which adjusts the compression and extension ratio of the reproduced voice signal outputted from the recording means 1 based on the voice uttering speed data from the voice uttering speed detecting means 2, and compressing and extending means 4 which compresses and extends the reproduced voice signal based on the compression and extention ratio data from the compression and extension ratio adjusting means 3. The voice uttering speed detecting means 2 calculates the voice uttering speed from the number of syllables of the voice in the breath paragraph generated according to the break of the breath of the reproduced voice signal.
Patent JP-S6189687-A (JP)
Title: Pulse-laser oscillation system
Inventor: NAKATANI HAJIME
IPC: H01S3/104
Filed: 1984-10-08
Abstract: PURPOSE:To enable an oscillator to oscillate effectively up to max. repetition frequency by a method wherein optimum running speed of gas fluid is provided to a pulse-laser oscillator in high repetitive operation by means of zero dimen sion running speed of gas fluid parameter. CONSTITUTION:Running speed of gas fluid parameter xsi is defined as xsi=vg/(f+l). But (f) regards as repetition frequency [l/sec], (l) regards as length [m] measured distance of segment mentioned below in parallel to gas fluid 5. An upstream edge of discharge generated at most upstream side against laser gas fluid among main discharge 14 and auxiliary discharge 13a, 13b regards as a initial point 25, and downstream edge in gas fluid of the main discharge 14 direction regards as a terminal point 26. Then the distance of segment is from the point 25 to the point 26. Also, (vg) regards as mean value [m/sec] of running speed of laser gas between the initial point 25 and the termi nal point 26. If laser gas is circulated so that xsi>=1 is satisfied using the running speed of gas fluid parameter xsi, any pulse-laser oscillator can be subjected to oscillate effectively.
Patent JP-H1037261-A (JP)
Title: Fixing structure for slide pipe for supporting shower head
Inventor: TANIMOTO HAJIME
IPC: E03C1/06
Filed: 1996-07-22
Abstract: PROBLEM TO BE SOLVED: To securely fix a shower head for shampoo used for a unit type washing stand so as to be freely inserted. SOLUTION: A shower head for shampoo is supported on a base seat 5 fixed to a washing stand, by a slide pipe 3 inserted so as to be freely detachable. A contracting clamp fastening the slide pipe 3 is built in the base seat 5. Since the contracting clamp is constituted of a BPT resin C ring 6 having a contracted smaller diameter than the slide pipe 3, the clamp is durable and simple and the base seat is made compact.
Patent JP-H11100437-A (JP)
Title: Anisotropic melt moldable polyester having improved glass transition temperature
Inventor: IRWIN ROBERT S
IPC: D01F6/62
Filed: 1998-07-13
Abstract: PROBLEM TO BE SOLVED: To obtain the subject polyester, having a specific inherent viscosity and useful especially for fibers by including specific recurring units therein. SOLUTION: This polyester, e.g. poly-(2-chloro-5-phenyl-1,4-phenylene terephthalate) is obtained by including (A) 35-50 mol% of a recurring unit represented by formula I, (B) 5-15 mol% of a recurring unit represented by formula II, III, IV or V and (C) 35-50 mol% of a recurring unit represented by formula VI and has at least 1.15 dl/g inherent viscosity (ηinh ). The resultant polyester has a fiber-forming molecular weight and can be melt spun.
Patent JP-H0495573-A (JP)
Title: Electrohydraulic power steering device
Inventor: AOTANI TOMOAKI
IPC: B62D5/07
Filed: 1990-08-10
Abstract: PURPOSE:To secure the safety of steerage by controlling a driving level of a motor at a time when a level of oil in a reservoir tank is approximated to the threshold value, and when the oil level is reached to the threshold value and output is continuously given from a switching circuit, making the drive of a pump so as to be stopped. CONSTITUTION:When an oil level in a reservoir tank 1 drops and comes nearer to the level of a reed switch 3, an intermittent signal is transmitted to the input of a delay circuit 11 of an output control mans 20, and a monostable multivibrator 13 operates after the specified time, thus a notice-warning lamp PL1 is lighted. In addition, an FET 2 is conducted and divided voltage is transmitted to a time constant circuit 15, driving force of a motor 8 is reduced via a comparator 18. Moreover, when an oil level is dropped to some extent and a reed switch 3 comes to a state of being turned on continuously, both switching FET 3 and 4 are driven by a delay circuit 16 of a drive stopping means 21, and a warning lamp PL2 is lighted. Moreover, in accordance with output of a time constant circuit 17, the drive of the duty motor 8 is gradually stopped via the comparator 18.
Patent JP-S6272790-A (JP)
Title: Dispersant for fine carbonaceous powder-water slurry
Inventor: SHIMIZU YASUHIRO
IPC: C09K23/54
Filed: 1985-09-27
Abstract: PURPOSE:To provide the titled dispersant capable of enhancing the fluidity of aqueous slurry of film carbonaceous powder such as of coal or petroleum coke thus enabling higher concentration of the slurry to be accomplished, comprising specific aromatic hydrocarbon polymer containing sulfonic acid group and silicate, etc. CONSTITUTION:The objective dispersant comprising (A) (i) a polymer prepared by polymerization of a polymerizable aromatic sulfonic acid-based monomer group (and polymerizable hydrocarbon monomer group) and/or (ii) a second polymer prepared by sulfonation of a polymerizable hydrocarbon monomer group containing polymerizable aromatic monomer and (B) at least onc kind of compound selected from silicates, aluminates and aluminosilicates.